Ujjal Bhuyan, J.

1. This order will dispose of all the above noted writ petitions.

2. Heard Mr. Daraius Khambata and Mr. Shyam Mehta, learned senior counsel along with Mr. Viren Asar, learned counsel for the petitioners. Also heard Mr. Shrihari Aney and Mr. Narendra Walawalkar, learned senior counsel along with Mr. R. Basu and Mr. H. Asnani, learned counsel for respondent Nos. 1 and 2 in all the cases; Mr. K.H. Halai, learned counsel has appeared for respondent No. 3 in Writ Petition No. 482 of 2019; and Mr. Soheb Sheikh, learned counsel for respondent No. 4 in Writ Petition No. 482 of 2019.

3. Writ Petition No. 482 of 2019 was argued by learned counsel for the parties as the lead case and any decision rendered therein will cover all the remaining 20 writ petitions. Therefore, Writ Petition No. 482 of 2019 is taken up as the lead case and the factual narratives and submissions would be in the context of the said writ petition.

4. By filing this petition under Article 226 of the Constitution of India, petitioners seek quashing of order dated 15.02.2018 passed by respondent No. 2 in Case No. EO/E(63)(63-A) of 2001, rather quashing of all the orders passed by respondent No. 2 in the said